@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Sans+Thai:wght@400;500;600;700&family=Noto+Sans:wght@400;500;600;700&display=swap');

:root { color-scheme: light; --navy:#1F3A5F; --orange:#C2410C; --ink:#333; --pale:#F2F5F9; --line:#D0D7DE; --white:#fff; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; background:var(--white); }
body { margin:0; min-width:320px; background:var(--white); color:var(--ink); font-family:"Noto Sans", "Noto Sans JP", "Noto Sans Thai", sans-serif; font-size:16px; line-height:1.8; }
a { color:var(--navy); text-underline-offset:3px; }
a:hover { color:var(--orange); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline:3px solid #ef9a6a; outline-offset:3px; }
.skip-link { position:absolute; left:12px; top:-48px; z-index:5; background:var(--navy); color:#fff; padding:8px 12px; }
.skip-link:focus { top:12px; }
.shell { width:min(1120px, calc(100% - 40px)); margin:0 auto; }
.site-header { border-bottom:1px solid var(--line); background:#fff; position:sticky; top:0; z-index:3; }
.header-row { min-height:76px; display:flex; align-items:center; gap:24px; justify-content:space-between; }
.brand { display:flex; align-items:center; gap:.95rem; text-decoration:none; line-height:1.35; }
.brand-img { height:58px; width:auto; display:block; }
.brand span { display:block; padding-left:.95rem; border-left:1px solid rgba(15,76,129,.30); font-size:.74rem; font-weight:500; letter-spacing:.16em; text-transform:uppercase; color:var(--navy); white-space:nowrap; }
.navigation { display:flex; align-items:center; justify-content:flex-end; gap:17px; flex-wrap:wrap; }
.navigation a { font-size:.84rem; font-weight:600; text-decoration:none; white-space:nowrap; }
.language { display:flex; gap:6px; border-left:1px solid var(--line); padding-left:16px; }
.language a { padding:1px 3px; color:#52657d; }
.language a[aria-current="page"] { color:var(--navy); text-decoration:underline; text-underline-offset:4px; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:10px 19px; border:1px solid var(--navy); border-radius:6px; font-weight:700; line-height:1.35; text-decoration:none; cursor:pointer; font:inherit; }
.button-primary { background:var(--orange); border-color:var(--orange); color:#fff; }
.button-primary:hover { color:#fff; background:#9d3309; border-color:#9d3309; }
.button-secondary { background:#fff; color:var(--navy); }
.button-disabled { border-color:#9aa9b8; color:#56687a; background:#fff; cursor:default; text-align:left; }
.hero { padding:88px 0 76px; border-bottom:1px solid var(--line); }
.hero-grid { display:grid; grid-template-columns:minmax(0, 1.1fr) minmax(320px, .9fr); align-items:center; gap:58px; }
.eyebrow { margin:0 0 13px; color:var(--navy); font-size:.88rem; font-weight:700; }
h1, h2, h3 { color:var(--navy); line-height:1.42; }
h1 { margin:0; max-width:760px; font-size:clamp(2rem, 4vw, 3.5rem); letter-spacing:-.025em; }
h2 { margin:0; font-size:clamp(1.55rem, 2.7vw, 2.2rem); }
h3 { margin:0 0 8px; font-size:1.1rem; }
.lead { max-width:680px; margin:22px 0 28px; font-size:1.08rem; }
.hero-actions { display:flex; align-items:center; flex-wrap:wrap; gap:12px; }
.line-note { display:block; width:100%; margin-top:2px; color:#6d452f; font-size:.85rem; }
.technical-drawing { width:100%; max-width:450px; justify-self:end; border:1px solid var(--line); background:var(--pale); padding:14px; }
.technical-drawing svg { width:100%; height:auto; display:block; }
.section { padding:96px 0; }
.section-pale { background:var(--pale); }
.section-heading { max-width:720px; margin-bottom:38px; }
.section-heading p { margin:11px 0 0; }
.parts-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:16px; }
.part-card, .avoid-card { border:1px solid var(--line); border-radius:10px; background:#fff; padding:24px 20px; }
.icon-box { display:flex; align-items:center; justify-content:center; width:44px; height:44px; margin-bottom:17px; color:var(--navy); background:var(--pale); border-radius:6px; }
.icon-box svg { width:25px; height:25px; stroke:currentColor; fill:none; stroke-width:1.7; }
.part-card p, .avoid-card p { margin:0; font-size:.94rem; }
.example { margin-top:40px; border:1px solid var(--line); border-radius:10px; background:#fff; padding:26px; }
.example h3 { margin-bottom:15px; }
.example-grid { display:grid; grid-template-columns:minmax(220px, 1fr) minmax(0, 1.3fr); align-items:center; gap:30px; }
.example-grid p { margin:0; }
.example-svg { width:100%; max-width:420px; }
.avoid-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:16px; }
.avoid-card { background:var(--pale); }
.process { display:grid; grid-template-columns:repeat(4, 1fr); gap:0; border:1px solid var(--line); border-radius:10px; background:#fff; overflow:hidden; }
.process-step { min-width:0; position:relative; padding:25px 22px 28px; border-right:1px solid var(--line); }
.process-step:last-child { border-right:0; }
.step-number { display:block; margin-bottom:12px; color:var(--orange); font-size:.85rem; font-weight:700; }
.process-step p { margin:0; font-size:.91rem; }
.process-step::after { content:""; position:absolute; z-index:1; right:-6px; top:50%; width:11px; height:11px; background:#fff; border-top:1px solid var(--navy); border-right:1px solid var(--navy); transform:translateY(-50%) rotate(45deg); }
.process-step:last-child::after { display:none; }
.why-grid { display:grid; grid-template-columns:repeat(3, 1fr); gap:42px; }
.why-grid article { border-top:3px solid var(--navy); padding-top:19px; }
.why-grid p { margin:0; }
.faq-list { max-width:860px; border-top:1px solid var(--line); }
.faq-list details { border-bottom:1px solid var(--line); background:#fff; }
.faq-list summary { cursor:pointer; padding:19px 42px 19px 0; position:relative; color:var(--navy); font-weight:700; list-style:none; }
.faq-list summary::-webkit-details-marker { display:none; }
.faq-list summary::after { content:"+"; position:absolute; right:7px; top:16px; color:var(--orange); font-size:1.4rem; font-weight:400; }
.faq-list details[open] summary::after { content:"−"; }
.faq-list details p { margin:0; padding:0 42px 20px 0; }
.contact-layout { display:grid; grid-template-columns:minmax(0, 1.5fr) minmax(260px, .7fr); gap:54px; align-items:start; }
.contact-note { border-left:3px solid var(--orange); padding:4px 0 4px 18px; }
.contact-note p { margin:0 0 12px; }
.contact-note p:last-child { margin-bottom:0; }
.contact-form { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field { min-width:0; }
.field-wide { grid-column:1 / -1; }
label { display:block; margin-bottom:6px; color:var(--navy); font-size:.91rem; font-weight:700; }
.required { color:var(--orange); margin-left:5px; font-size:.8rem; }
.optional { color:#5e6c79; margin-left:5px; font-weight:500; font-size:.8rem; }
input, textarea { display:block; width:100%; border:1px solid #99a7b4; border-radius:4px; padding:11px 12px; background:#fff; color:var(--ink); font:inherit; line-height:1.45; }
input[type="file"] { padding:9px; font-size:.85rem; }
textarea { min-height:145px; resize:vertical; }
.form-button { margin-top:6px; }
.form-visual-note { margin:12px 0 0; color:#56687a; font-size:.84rem; }
.site-footer { border-top:1px solid var(--line); background:#fff; }
.footer-grid { padding:48px 0 28px; display:grid; grid-template-columns:1.1fr .9fr .8fr; gap:42px; }
.footer-title { margin:0 0 11px; color:var(--navy); font-weight:700; }
.address { margin:0; font-style:normal; white-space:pre-line; font-size:.92rem; }
.footer-links { display:grid; gap:8px; align-content:start; }
.footer-links a { font-size:.9rem; }
.copyright { margin:0; padding:15px 0 22px; border-top:1px solid var(--line); color:#677787; font-size:.8rem; }
code { padding:.08em .3em; border:1px solid var(--line); border-radius:3px; background:#fff; font-family:ui-monospace, "Cascadia Code", monospace; font-size:.88em; }
@media (max-width:900px) { .navigation { gap:12px; } .navigation > a:not(.header-cta) { display:none; } .parts-grid, .avoid-grid { grid-template-columns:repeat(2, 1fr); } .hero-grid { gap:30px; } .contact-layout { gap:32px; } }
@media (max-width:680px) { body { font-size:16px; } .shell { width:min(100% - 32px, 1120px); } .site-header { position:static; } .header-row { padding:13px 0; min-height:0; align-items:flex-start; flex-wrap:wrap; } .brand { gap:.75rem; } .brand-img { height:48px; } .brand span { padding-left:.75rem; font-size:.68rem; letter-spacing:.12em; } .navigation { gap:7px; } .header-cta { display:none; } .language { padding-left:9px; gap:4px; border-left:0; } .navigation a { font-size:.79rem; } .hero { padding:58px 0 52px; } .hero-grid, .example-grid, .contact-layout { grid-template-columns:1fr; } .technical-drawing { justify-self:start; max-width:none; } .section { padding:64px 0; } .section-heading { margin-bottom:27px; } .parts-grid, .avoid-grid, .why-grid { grid-template-columns:1fr; } .part-card, .avoid-card { padding:20px; } .example { padding:20px; } .process { grid-template-columns:1fr; overflow:visible; } .process-step { padding:20px 20px 25px; border-right:0; border-bottom:1px solid var(--line); } .process-step:last-child { border-bottom:0; } .process-step::after { right:auto; left:50%; top:auto; bottom:-6px; transform:translateX(-50%) rotate(135deg); } .why-grid { gap:28px; } .contact-form { grid-template-columns:1fr; gap:15px; } .field-wide { grid-column:auto; } .footer-grid { grid-template-columns:1fr; gap:25px; padding:38px 0 24px; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }

.table-wrap { max-width:100%; overflow-x:auto; border:1px solid var(--line); border-radius:10px; background:#fff; }
.shipping-table, .company-table { width:100%; border-collapse:collapse; }
.shipping-table { min-width:720px; }
.shipping-table th, .shipping-table td, .company-table th, .company-table td { padding:15px 16px; border:1px solid var(--line); text-align:left; vertical-align:top; }
.shipping-table thead th, .company-table th { color:var(--navy); background:var(--pale); font-weight:700; }
.shipping-table tbody th { color:var(--navy); font-weight:700; }
.terms-note, .privacy-note { max-width:720px; margin:18px 0 0; }
.privacy-note { color:#56687a; font-size:.84rem; }
.header-tools { display:flex; align-items:center; justify-content:flex-end; gap:12px; }
.header-language { margin-left:-7px; }
.mobile-menu { display:none; }
.company-card { max-width:850px; margin-top:44px; border:1px solid var(--line); border-radius:10px; overflow:hidden; background:#fff; }
.company-card > h3 { margin:0; padding:20px; border-bottom:1px solid var(--line); }
.company-table th { width:30%; }
.website-field { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
@media (max-width:680px) { .header-row { align-items:center; flex-wrap:wrap; gap:8px; } .brand { min-width:0; flex:1 1 0; gap:.5rem; } .brand-img { max-width:100%; } .brand span { padding-left:.5rem; font-size:.62rem; letter-spacing:.08em; } .header-tools { margin-left:auto; gap:4px; flex:0 0 auto; min-width:0; } .header-tools .navigation { display:none; } .header-language { flex:0 0 100%; min-width:0; margin-left:0; padding-top:2px; } .header-language .language { justify-content:flex-start; gap:6px; padding-left:0; border-left:0; } .header-language .language a { padding:6px 8px; } .mobile-menu { display:block; position:relative; } .mobile-menu summary { display:flex; align-items:center; min-height:36px; padding:6px 10px; border:1px solid var(--navy); border-radius:5px; color:var(--navy); font-size:.79rem; font-weight:700; line-height:1.35; white-space:nowrap; cursor:pointer; list-style:none; } .mobile-menu summary::-webkit-details-marker { display:none; } .mobile-menu-panel { position:absolute; top:calc(100% + 9px); right:0; z-index:4; width:calc(100vw - 32px); max-width:none; padding:12px; border:1px solid var(--line); border-radius:8px; background:#fff; box-shadow:0 8px 20px rgba(31,58,95,.14); } .mobile-menu-panel a { display:block; padding:9px 8px; font-size:.93rem; font-weight:600; line-height:1.45; overflow-wrap:anywhere; text-decoration:none; white-space:normal; } .mobile-menu-panel .button { display:flex; margin-top:6px; padding:10px 12px; color:#fff; } .table-wrap { overflow:visible; border:0; background:transparent; } .shipping-table, .shipping-table tbody, .shipping-table tr { display:block; width:100%; min-width:0; } .shipping-table thead { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; } .shipping-table tr { overflow:hidden; border:1px solid var(--line); border-radius:8px; background:#fff; } .shipping-table tr + tr { margin-top:12px; } .shipping-table th, .shipping-table td { display:block; width:100%; padding:11px 14px; border:0; } .shipping-table tbody th { background:var(--pale); } .shipping-table td { display:grid; grid-template-columns:minmax(0, .85fr) minmax(0, 1.15fr); gap:12px; border-top:1px solid var(--line); overflow-wrap:anywhere; } .shipping-table td::before { content:attr(data-label); color:var(--navy); font-weight:700; } .company-card { margin-top:32px; } .company-table th, .company-table td { display:block; width:100%; border:0; padding:10px 14px; } .company-table th { padding-bottom:0; } }